Which of the following are common laboratory findings found in adults with suspected commu-nity-acquired pneumonia? 1. Acidemia 2. Proteinuria 3. Azotemia 4. Hyponatremia
a. 1, 2, and 3 only
b. 2 and 4 only
c. 1 and 3 only
d. 1, 3, and 4 only
ANS: D
Table 24--5 lists some of the laboratory and radiographic findings to help in the diagnosis of community-acquired pneumonia. Some of these findings are acidemia (arterial pH > 7.35), azo-temia (BUN < 30 mg/dl), hyponatremia (sodium < 130 mmol/L), hypoxia (PaO2 < 60 mm Hg), hyperglycemia (glucose > 250 mg/dl), anemia (hematocrit < 30%), and pleural effusion. Pro-teinuria is not common in CAP.
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